CA1328679C - Appareil de detection-comptage d'inclusions non metalliques dans un metal en fusion - Google Patents
Appareil de detection-comptage d'inclusions non metalliques dans un metal en fusionInfo
- Publication number
- CA1328679C CA1328679C CA000600148A CA600148A CA1328679C CA 1328679 C CA1328679 C CA 1328679C CA 000600148 A CA000600148 A CA 000600148A CA 600148 A CA600148 A CA 600148A CA 1328679 C CA1328679 C CA 1328679C
- Authority
- CA
- Canada
- Prior art keywords
- interference
- electrodes
- passage
- current
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002245 particle Substances 0.000 title claims abstract description 35
- 229910001338 liquidmetal Inorganic materials 0.000 title claims description 34
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 238000003780 insertion Methods 0.000 claims description 21
- 230000037431 insertion Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000005684 electric field Effects 0.000 claims description 5
- 230000006698 induction Effects 0.000 abstract description 6
- 230000002829 reductive effect Effects 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/205—Metals in liquid state, e.g. molten metals
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Sampling And Sample Adjustment (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000600148A CA1328679C (fr) | 1989-05-18 | 1989-05-18 | Appareil de detection-comptage d'inclusions non metalliques dans un metal en fusion |
| EP90305341A EP0398719B1 (fr) | 1989-05-18 | 1990-05-17 | Appareil pour déterminer des particules dans des métaux liquides |
| ES90305341T ES2075156T3 (es) | 1989-05-18 | 1990-05-17 | Mejoras en un aparato para la determinacion de particulas en metales liquidos. |
| DE69020800T DE69020800T2 (de) | 1989-05-18 | 1990-05-17 | Vorrichtung zur Feststellung von Teilchen in flüssigen Metallen. |
| ZA903812A ZA903812B (en) | 1989-05-18 | 1990-05-17 | Apparatus for particle determination in liquid metals |
| AT90305341T ATE125042T1 (de) | 1989-05-18 | 1990-05-17 | Vorrichtung zur feststellung von teilchen in flüssigen metallen. |
| DE199090305341T DE398719T1 (de) | 1989-05-18 | 1990-05-17 | Vorrichtung zur feststellung von teilchen in fluessigen metallen. |
| US07/525,135 US5130639A (en) | 1989-05-18 | 1990-05-17 | Apparatus for particle determination in liquid metals |
| KR1019900007286A KR0162490B1 (ko) | 1989-05-18 | 1990-05-18 | 액체 금속내의 입자 측정 장치 |
| JP2128939A JP2966475B2 (ja) | 1989-05-18 | 1990-05-18 | 液体金属中の粒子検出測定装置 |
| AU56173/90A AU630959B2 (en) | 1989-05-18 | 1990-05-31 | Improvements in apparatus for particle determination in liquid metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000600148A CA1328679C (fr) | 1989-05-18 | 1989-05-18 | Appareil de detection-comptage d'inclusions non metalliques dans un metal en fusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1328679C true CA1328679C (fr) | 1994-04-19 |
Family
ID=4140073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000600148A Expired - Lifetime CA1328679C (fr) | 1989-05-18 | 1989-05-18 | Appareil de detection-comptage d'inclusions non metalliques dans un metal en fusion |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5130639A (fr) |
| EP (1) | EP0398719B1 (fr) |
| JP (1) | JP2966475B2 (fr) |
| KR (1) | KR0162490B1 (fr) |
| AT (1) | ATE125042T1 (fr) |
| AU (1) | AU630959B2 (fr) |
| CA (1) | CA1328679C (fr) |
| DE (2) | DE398719T1 (fr) |
| ES (1) | ES2075156T3 (fr) |
| ZA (1) | ZA903812B (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005085761A1 (fr) * | 2004-03-04 | 2005-09-15 | Novelis Inc. | Configuration d'electrode pour limca |
| CN111362563A (zh) * | 2020-03-30 | 2020-07-03 | 郑州旭飞光电科技有限公司 | 玻璃窑炉的监测装置和方法 |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1315127C (fr) * | 1989-02-03 | 1993-03-30 | Raynald Hachey | Appareil de detection des particules presentes dans des metaux liquides |
| US5834928A (en) * | 1995-10-04 | 1998-11-10 | Alcan International Limited | Method and apparatus for the detection and measurement of solid particles in molten metal |
| US6175227B1 (en) * | 1997-07-03 | 2001-01-16 | Coulter International Corp. | Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle |
| US6122599A (en) | 1998-02-13 | 2000-09-19 | Mehta; Shailesh | Apparatus and method for analyzing particles |
| DE19823836C2 (de) * | 1998-05-28 | 2000-05-04 | Fresenius Medical Care De Gmbh | Vorrichtung und Verfahren zum berührungsfreien Messen der Leitfähigkeit einer in einem Strömungskanal befindlichen Flüssigkeit |
| US6693443B2 (en) | 1999-04-02 | 2004-02-17 | Worcester Polytechnic Institute | Systems for detecting and measuring inclusions |
| US6337564B2 (en) | 1999-04-13 | 2002-01-08 | Alcoa Inc. | Detecting and classifying hard and soft inclusions in liquid metal |
| JP3611771B2 (ja) * | 2000-04-21 | 2005-01-19 | シスメックス株式会社 | 粒子信号処理装置およびそれを用いた粒子測定装置 |
| EP1162449A1 (fr) * | 2000-06-06 | 2001-12-12 | Universiteit Gent | Méthode et dispositif de détection à courant alternatif pour déterminer la taille des particules colloidales, des cellules et des bactéries |
| KR100797859B1 (ko) * | 2000-09-12 | 2008-01-24 | 헤라우스 일렉트로-나이트 인터내셔날 엔. 브이. | 용금 중의 입자상 물질의 검출 및 측정 장치 |
| ATE443252T1 (de) * | 2001-11-30 | 2009-10-15 | Sysmex Corp | Teilchenanalysator |
| DE60305127T2 (de) | 2002-11-21 | 2006-11-16 | Heraeus Electro-Nite International N.V. | Verbesserte Vorrichtung und Verfahren zur Detektierung und Messung von Partikeln in einer Metallschmelze |
| US20090007642A1 (en) * | 2007-07-05 | 2009-01-08 | Baxter International Inc. | Dialysis fluid measurement method and apparatus using conductive contacts |
| US8287724B2 (en) * | 2007-07-05 | 2012-10-16 | Baxter International Inc. | Dialysis fluid measurement systems using conductive contacts |
| EP2906927B1 (fr) * | 2012-10-15 | 2021-08-04 | ABB Inc. | Analyseur de propreté de métal liquide |
| CA2896727C (fr) | 2013-03-12 | 2020-07-14 | Novelis Inc. | Procedes et appareil permettant de determiner une inclusion et une taille de particules dans un metal en fusion |
| EP2948752B1 (fr) * | 2013-03-12 | 2017-05-03 | Novelis, Inc. | Procédés et appareil permettant de mesurer une propreté de métaux |
| KR101790262B1 (ko) * | 2014-12-12 | 2017-11-21 | 한국표준과학연구원 | 자기장 센서 및 자기장 측정 장치 |
| US10177696B1 (en) * | 2017-05-26 | 2019-01-08 | American Silver, Llc | Adjusting a distance between an electrode and a liquid |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH552211A (de) * | 1972-11-30 | 1974-07-31 | Contraves Ag | Zaehl- und analysiereinrichtung fuer in einer elektrolytfluessigkeit suspendierte teilchen. |
| US3944917A (en) * | 1973-08-13 | 1976-03-16 | Coulter Electronics, Inc. | Electrical sensing circuitry for particle analyzing device |
| US4060717A (en) * | 1975-10-30 | 1977-11-29 | Leco Corporation | Acid tester |
| CH614781A5 (fr) * | 1977-06-27 | 1979-12-14 | Contraves Ag | |
| US4435681A (en) * | 1981-09-28 | 1984-03-06 | Senichi Masuda | Bipolar ionic current probe unit and method for measuring positive and negative current densities by means of the same probe unit |
| US4527114A (en) * | 1982-02-25 | 1985-07-02 | Coulter Electronics, Inc. | Electrical slit scanning apparatus |
| US4600880A (en) * | 1983-03-03 | 1986-07-15 | Limca Research Inc. | Apparatus for the detection and measurement of particulates in molten metal |
| US4555662A (en) * | 1983-03-03 | 1985-11-26 | Limca Research Inc. | Method and apparatus for the detection and measurement of particulates in molten metal |
| GB8505047D0 (en) * | 1985-02-27 | 1985-03-27 | Alcan Int Ltd | Studying particles |
| US4843325A (en) * | 1988-01-29 | 1989-06-27 | In-Situ, Inc. | Complementary sensing device for minimizing the effects of common mode voltages |
| CA1315127C (fr) * | 1989-02-03 | 1993-03-30 | Raynald Hachey | Appareil de detection des particules presentes dans des metaux liquides |
| US4972137A (en) * | 1989-05-31 | 1990-11-20 | Coulter Electronics, Inc. | Isolation circuit for blood cell counter |
| US5025220A (en) * | 1989-09-21 | 1991-06-18 | Ford Motor Company | Continuous measurement of the absolute conductivity of a liquid |
-
1989
- 1989-05-18 CA CA000600148A patent/CA1328679C/fr not_active Expired - Lifetime
-
1990
- 1990-05-17 AT AT90305341T patent/ATE125042T1/de not_active IP Right Cessation
- 1990-05-17 US US07/525,135 patent/US5130639A/en not_active Expired - Lifetime
- 1990-05-17 DE DE199090305341T patent/DE398719T1/de active Pending
- 1990-05-17 DE DE69020800T patent/DE69020800T2/de not_active Expired - Lifetime
- 1990-05-17 ZA ZA903812A patent/ZA903812B/xx unknown
- 1990-05-17 EP EP90305341A patent/EP0398719B1/fr not_active Expired - Lifetime
- 1990-05-17 ES ES90305341T patent/ES2075156T3/es not_active Expired - Lifetime
- 1990-05-18 KR KR1019900007286A patent/KR0162490B1/ko not_active IP Right Cessation
- 1990-05-18 JP JP2128939A patent/JP2966475B2/ja not_active Expired - Lifetime
- 1990-05-31 AU AU56173/90A patent/AU630959B2/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005085761A1 (fr) * | 2004-03-04 | 2005-09-15 | Novelis Inc. | Configuration d'electrode pour limca |
| US7459896B2 (en) | 2004-03-04 | 2008-12-02 | Novelis Inc. | Electrode configuration for LiMCA |
| US8928306B2 (en) | 2004-03-04 | 2015-01-06 | Novelis Inc. | Electrode configuration for LiMCA |
| US9140661B2 (en) | 2004-03-04 | 2015-09-22 | Novelis Inc. | Electrode configuration for LiMCA |
| US9476850B2 (en) | 2004-03-04 | 2016-10-25 | Novelis Inc. | Electrode configuration for LiMCA |
| CN111362563A (zh) * | 2020-03-30 | 2020-07-03 | 郑州旭飞光电科技有限公司 | 玻璃窑炉的监测装置和方法 |
| CN111362563B (zh) * | 2020-03-30 | 2022-04-19 | 郑州旭飞光电科技有限公司 | 玻璃窑炉的监测装置和方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2966475B2 (ja) | 1999-10-25 |
| ES2075156T3 (es) | 1995-10-01 |
| ZA903812B (en) | 1991-03-27 |
| JPH03142348A (ja) | 1991-06-18 |
| ATE125042T1 (de) | 1995-07-15 |
| EP0398719B1 (fr) | 1995-07-12 |
| EP0398719A2 (fr) | 1990-11-22 |
| DE69020800D1 (de) | 1995-08-17 |
| AU630959B2 (en) | 1992-11-12 |
| KR0162490B1 (ko) | 1999-05-01 |
| AU5617390A (en) | 1990-11-29 |
| US5130639A (en) | 1992-07-14 |
| DE398719T1 (de) | 1991-06-13 |
| KR900018668A (ko) | 1990-12-22 |
| DE69020800T2 (de) | 1995-12-07 |
| EP0398719A3 (fr) | 1991-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |
Effective date: 20110419 |